Journals, J., Yabefa, B. E., Koroye, S. Z. and Ufuoma, G. O. (2023) “Effect of Extra Water on the Compressive Strength of Periwinkle Shell Ash Based Geopolymer Mortar”., Rivers State Univeristy Journal of Biology & Applied Sciences, 3(1). Available at: http://jbasjournals.com/index.php/rsujbas/article/view/54 (Accessed: 18 October 2024).